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Discrete time robust linear quadratic Gaussian controller with loop transfer recovery (LQG/LTR) considering the augmented system with the addition of backward Euler integrator at controller output is applied to a practical quadruple tank system. The plant developed in this work is a benchmark of a multivariable two-input-two-output (TITO) system with coupled channels, frequently used in academic works,...
Attitude determination for small scale UAVs such as quadrotors is considered, a number of existing solutions are compared and reviewed, and their performance is evaluated and discussed using data collected in flight.
Recently, a control algorithm has been presented to control the geometry of a prestressed flexible cable net formwork, which is used for the construction of anticlastic thin concrete shell structures in architecture. The most important uncertainties in the model of the cable net are the parameters of unstressed lengths of its edges. As the control algorithm is model-based, its performance depends...
Interception of target that is performing a three dimensional barrel roll maneuver-helix trajectory is dealt with. The existing approaches are dealing with the guidance in three dimensional coordinates frame as three separated-independent problems. This representation of the trajectory assumes no coupling between the axes. However the equations of motion in the three axes of a barrel roll maneuver-helix...
An input estimation problem to distinguish between an oscillating and a non-oscillating input is considered. This problem can be encountered in marine motion estimation problems. In this article, an iceberg drift problem is considered. Iceberg motion is driven by uncertain wind, mean current and wind induced inertial current. A moving horizon estimator is proposed solving an input estimation problem...
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